﻿<p><em>IfcMonthInYearNumber</em> is
an integer that defines the position of the specified month in a
year. </p>

<p>Calendar month numbers map to calendar month names as follows:</p>
<ul>
<li><b>1</b>: January</li>
<li><b>2</b>: February</li>
<li><b>3</b>: March</li>
<li><b>4</b>: April</li>
<li><b>5</b>: May</li>
<li><b>6</b>: June</li>
<li><b>7</b>: July</li>
<li><b>8</b>: August</li>
<li><b>9</b>: September</li>
<li><b>10</b>: October</li>
<li><b>11</b>: November</li>
<li><b>12</b>: December</li>
</ul>

<p>Type: INTEGER</p>

<blockquote class="note">
NOTE&nbsp; See definition of <strong>calendar month</strong> as defined in ISO&nbsp;8601. 
</blockquote>

<blockquote class="note">
HISTORY&nbsp; New type in IFC1.5.1.
</blockquote>